<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <meta http-equiv="X-UA-Compatible" content="ie=edge">
  <title>Document</title>
</head>
<body>
  <div id="root">
    <!-- <input type="text" v-model="msg" />
    {{msg}}
    <div>
      学校名字： {{school.name}}
      学校年龄： {{school.age}}
    </div>
    <div>
      {{arr}}
    </div> -->

  </div>
</body>
</html>